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<A HREF="../../../../quicktime/qd/QDRect.html">QDRect</A> matteRect, int accuracy, <A HREF="../../../../quicktime/std/image/CodecComponent.html">CodecComponent</A> codec)</CODE><BR> Decompresses a single frame image into a pixel map structure.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B>QTImage.</B><B><A HREF="../../../../quicktime/std/image/QTImage.html#getCompressedSize(quicktime.std.image.ImageDescription, quicktime.util.EncodedImage)">getCompressedSize</A></B>(<A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> desc, <A HREF="../../../../quicktime/util/EncodedImage.html">EncodedImage</A> data)</CODE><BR> Determines the size in bytes of a compressed image.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static float</CODE></FONT></TD><TD><CODE><B>QTImage.</B><B><A HREF="../../../../quicktime/std/image/QTImage.html#getSimilarity(quicktime.qd.QDGraphics, quicktime.qd.QDRect, quicktime.std.image.ImageDescription, quicktime.util.EncodedImage)">getSimilarity</A></B>(<A HREF="../../../../quicktime/qd/QDGraphics.html">QDGraphics</A> src, <A HREF="../../../../quicktime/qd/QDRect.html">QDRect</A> srcRect, <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> desc, <A HREF="../../../../quicktime/util/EncodedImage.html">EncodedImage</A> data)</CODE><BR> Compares a compressed image to a picture stored in a pixel map and returns a value indicating the relative similarity of the two images.</TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Constructors in <A HREF="../../../../quicktime/std/image/package-summary.html">quicktime.std.image</A> with parameters of type <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../quicktime/std/image/QTImage.html#QTImage(quicktime.std.image.ImageDescription, quicktime.util.EncodedImage)">QTImage</A></B>(<A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> id, <A HREF="../../../../quicktime/util/EncodedImage.html">EncodedImage</A> im)</CODE><BR> Associate an image description with the image data that is described by the description.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../quicktime/std/image/DSequence.html#DSequence(quicktime.std.image.ImageDescription, quicktime.qd.QDGraphics, quicktime.qd.QDRect, quicktime.std.image.Matrix, quicktime.qd.Region, int, int, quicktime.std.image.CodecComponent)">DSequence</A></B>(<A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> desc, <A HREF="../../../../quicktime/qd/QDGraphics.html">QDGraphics</A> port, <A HREF="../../../../quicktime/qd/QDRect.html">QDRect</A> srcRect, <A HREF="../../../../quicktime/std/image/Matrix.html">Matrix</A> matrix, <A HREF="../../../../quicktime/qd/Region.html">Region</A> mask, int flags, int accuracy, <A HREF="../../../../quicktime/std/image/CodecComponent.html">CodecComponent</A> codec)</CODE><BR> Creating an instance of this class signals the beginning of the process of decompressing a sequence of frames.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../quicktime/std/image/DSequence.html#DSequence(quicktime.std.image.ImageDescription, quicktime.util.EncodedImage, quicktime.qd.QDGraphics, quicktime.qd.QDRect, quicktime.std.image.Matrix, quicktime.qd.Region, int, int, quicktime.std.image.CodecComponent)">DSequence</A></B>(<A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> desc, <A HREF="../../../../quicktime/util/EncodedImage.html">EncodedImage</A> data, <A HREF="../../../../quicktime/qd/QDGraphics.html">QDGraphics</A> port, <A HREF="../../../../quicktime/qd/QDRect.html">QDRect</A> srcRect, <A HREF="../../../../quicktime/std/image/Matrix.html">Matrix</A> matrix, <A HREF="../../../../quicktime/qd/Region.html">Region</A> mask, int flags, int accuracy, <A HREF="../../../../quicktime/std/image/CodecComponent.html">CodecComponent</A> codec)</CODE><BR> This constructor allows you to pass a compressed sample so the codec can perform preflighting before the first decompressFrame call.</TD></TR></TABLE> <P><A NAME="quicktime.std.movies.media"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Uses of <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> in <A HREF="../../../../quicktime/std/movies/media/package-summary.html">quicktime.std.movies.media</A></FONT></TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Methods in <A HREF="../../../../quicktime/std/movies/media/package-summary.html">quicktime.std.movies.media</A> that return <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></CODE></FONT></TD><TD><CODE><B>SpriteMediaHandler.</B><B><A HREF="../../../../quicktime/std/movies/media/SpriteMediaHandler.html#getIndImageDescription(int)">getIndImageDescription</A></B>(int imageIndex)</CODE><BR> This method returns the image description for the image specified by the index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></CODE></FONT></TD><TD><CODE><B>VideoMedia.</B><B><A HREF="../../../../quicktime/std/movies/media/VideoMedia.html#getImageDescription(int)">getImageDescription</A></B>(int index)</CODE><BR> This method allows you to retrieve a sample description from a media.</TD></TR></TABLE> <P><A NAME="quicktime.std.qtcomponents"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Uses of <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> in <A HREF="../../../../quicktime/std/qtcomponents/package-summary.html">quicktime.std.qtcomponents</A></FONT></TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Methods in <A HREF="../../../../quicktime/std/qtcomponents/package-summary.html">quicktime.std.qtcomponents</A> that return <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></CODE></FONT></TD><TD><CODE><B>SCSequence.</B><B><A HREF="../../../../quicktime/std/qtcomponents/SCSequence.html#getDescription()">getDescription</A></B>()</CODE><BR> Return the description</TD></TR></TABLE> <P><A NAME="quicktime.std.sg"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Uses of <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> in <A HREF="../../../../quicktime/std/sg/package-summary.html">quicktime.std.sg</A></FONT></TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Methods in <A HREF="../../../../quicktime/std/sg/package-summary.html">quicktime.std.sg</A> that return <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></CODE></FONT></TD><TD><CODE><B>SGVideoChannel.</B><B><A HREF="../../../../quicktime/std/sg/SGVideoChannel.html#getImageDescription()">getImageDescription</A></B>()</CODE><BR> This method allows you to retrieve a music sample description from the SGChannel.</TD></TR></TABLE> <P><A NAME="quicktime.util"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Uses of <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> in <A HREF="../../../../quicktime/util/package-summary.html">quicktime.util</A></FONT></TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Methods in <A HREF="../../../../quicktime/util/package-summary.html">quicktime.util</A> with parameters of type <A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../../quicktime/util/QTHandle.html">QTHandle</A></CODE></FONT></TD><TD><CODE><B>QTHandle.</B><B><A HREF="../../../../quicktime/util/QTHandle.html#fromImageDescription(quicktime.std.image.ImageDescription, int, int)">fromImageDescription</A></B>(<A HREF="../../../../quicktime/std/image/ImageDescription.html">ImageDescription</A> sd, int idType, int index)</CODE><BR> Retrieve application specific info from a ImageDescription object <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QTC/imImageComp.15.htm#imImag46">QuickTime::GetImageDescriptionExtension</a> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/REF/refImageCompMgr.14.htm#refIma327">QuickTime::GetImageDescriptionExtension</a> </b><BR><BR></TR></TABLE> <P><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT 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